Fire is a serious threat to every household; it can strike anywhere, any time. The frightening truth is that there were nearly 381,000 home fires in the U.S., resulting in over 16,000 casualties last year. Thankfully, smoke alarms like the First Alert Smoke Alarm with Long Life Lithium Battery SA305CN help to reduce the risk of death in a household fire by up to 50 percent. The more smoke alarms you have installed in your home, the higher the chance you"ll be alerted to a fire in time to escape. The SA305CN smoke alarm also alerts you to smoke and fire with a loud 85-decibel alarm. The faster you know about a fire, the faster you can start moving your family outside. The First Alert smoke alarm with lithium battery gives you the peace of mind of a 10-year battery life warranty. It uses ionization smoke sensing technology with a new contemporary enhanced smoke gathering design. It features a low battery alert to remind you when to change the battery and has a missing battery guard to ensure that a battery is placed inside the alarm. The side battery drawer slides open for easy battery replacement. A blinking power indicator on the unit confirms that it is receiving power. The silence/test button allows you to both silence a non-threatening alarm and to test the unit"s functionality. The alarm contains an optional pin to lock the battery and unit in place for tamper resistance. It can be mounted on either the ceiling or the wall and can be used in mobile homes and RVs. UL listed for safety. The First Alert Smoke Alarm with Long Life Lithium Battery SA305CN comes with a 10-year limited warranty.